High-toughness alloy cast steel roller
By designing a detachable roll structure and heat dissipation holes, the problems of wear and untimely heat dissipation of traditional rolls in high-intensity rolling are solved, thereby improving stability and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional rolling mill rolls are prone to wear and breakage under high-intensity rolling conditions, requiring frequent replacement. Inadequate heat dissipation also affects work efficiency, resulting in high production costs and low efficiency.
The design incorporates a detachable roll structure, with both ends movably mounted to the roll body via connectors. It features heat dissipation holes and anti-slip textures, enabling quick replacement and efficient heat dissipation.
It reduces the overall replacement cost of the rolls, improves operational stability and heat dissipation efficiency, reduces downtime, and enhances production efficiency and quality.
Smart Images
Figure CN224026095U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of roll, in particular to a strong toughness alloy cast steel roll. BACKGROUND
[0002] With the development of global economy, steel as a basic material in the construction, machinery, automobile, aerospace and many other fields of demand continues to grow. Steel industry is developing towards large-scale, high efficiency production, and the performance of rolling mill equipment and roll is put forward higher requirement. The traditional roll is easy to appear wear, fracture and other problems under the condition of high strength rolling, and cannot meet the demand of large-scale, continuous production, so it is necessary to develop strong toughness alloy cast steel roll to adapt to the development of steel industry; Modern industry has higher and higher quality requirements for steel products, such as high precision size tolerance, good surface quality, uniform structure and so on. Ordinary roll is difficult to ensure the high precision and stability of the product in the rolling process, while the strong toughness alloy cast steel roll can better control the rolling process, reduce product defects, improve the quality and performance of steel products, and meet the demand of high-end manufacturing industry for steel materials;
[0003] Under the background of increasingly strict environmental protection, steel enterprises need to reduce energy consumption and pollutant emissions. Strong toughness alloy cast steel roll has a long service life, which can reduce the replacement frequency of roll, thereby reducing the energy consumption and pollutant emissions caused by roll production, transportation and waste disposal, and meeting the environmental protection development trend of steel industry; Although the initial manufacturing cost of strong toughness alloy cast steel roll is relatively high, but from the whole life cycle, its high wear resistance, fatigue resistance and other properties can greatly reduce the maintenance and replacement cost of roll, improve the production efficiency, reduce the production loss caused by stop rolling, thereby reducing the cost of steel production and improving the economic benefit of enterprise;
[0004] The existing roll is usually used in the process of adopting the integral roll, so that when the surface or both ends of the supporting shaft of the roll appears damage in the working process, the whole roll needs to be replaced, which greatly increases the production cost, and the traditional roll is easy to produce heat in the internal in the working process, the heat in the internal of the traditional roll cannot be dissipated in time, so it is necessary to stop the roll for cooling, which will affect the working efficiency of the roll. CONTENT OF THE UTILITY MODEL
[0005] The utility model discloses a purpose lies in providing a kind of strong alloy cast steel roll, in the structure, the two ends of roll body are movably installed with first connector and second connector respectively, so in the process of use, when one of the components appears the condition of damage, can be timely replaced in the way of disassembly, to reduce the production cost when roll overall replacement, still be provided with a plurality of heat dissipation holes on roll, so in the process of work, when heat is generated inside roll, the heat inside is effectively heat dissipation treatment by heat dissipation hole, half of heat dissipation hole is shielded by mating head, so when radiating, the air flow in heat dissipation hole is more rapid, to effectively improve the effect of heat dissipation;With the problems of the above background art.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A kind of strong alloy cast steel roll, including roll body;The roll body is arranged in a stepped manner;The two ends of the roll body are provided with grooves;The surface of the groove is provided with internal thread;The two ends of the roll body are connected with the first connector and the second connector respectively by mating head and protruding block;The first connector and the second connector are provided with recess ring and bearing on the connection;The first connector and the second connector are effectively supported or driven by recess ring and bearing, so as to effectively ensure the working efficiency of the roll in work;
[0008] Wherein;The end of the first connector away from the mating head is provided with a conical hole;The end of the second connector away from the mating head is integrally provided with an insertion block;So when installing, the first connector and the second connector are effectively installed by different structures, to meet the needs of different equipment, improve the adaptability of roll working environment;
[0009] As a further technical scheme of the utility model, the surface of the roll body is provided with anti-skid lines, and the directions of the anti-skid lines on the two surfaces are opposite. The anti-skid lines increase the contact of the workpiece with the roll, ensuring the working quality of the roll.
[0010] As a further technical scheme of the utility model, the surface of the protruding block is provided with external threads. The external threads are connected with the internal threads. The cooperation between the external threads and the internal threads ensures the stability of the roll during work.
[0011] As a further technical scheme of the utility model, a plurality of through heat dissipation holes are provided on the roll body. The center lines of the heat dissipation holes are located at the diameters of the mating heads. The mating heads semi-plug the heat dissipation holes. When cooling the roll, the air flow in the heat dissipation holes is increased, improving the heat dissipation effect.
[0012] As a further technical scheme of the utility model, the gap between the end of the protruding block and the inner wall of the groove is filled with soundproof cotton; the soundproof cotton effectively reduces the noise generated by the roller during work;
[0013] As a further technical scheme of the utility model, the gap between the end of the protruding block and the inner wall of the groove is filled with soundproof cotton; the soundproof cotton effectively reduces the noise generated by the roller during work;
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] In use, the two ends of the roller body are fixedly installed with the first connecting head and the second connecting head through the protruding block and the matching head, and during installation, the external thread on the surface of the protruding block is matched with the internal thread formed on the groove, thereby ensuring the stability between the roller body and the first connecting head and the second connecting head.
[0016] The first connecting head is provided with a conical hole at one end away from the roller body, and the second connecting head is provided with an insertion block at one end away from the roller body, so that different devices can be fixed to the first connecting head and the second connecting head during installation, thereby meeting the needs of different structures.
[0017] The anti-skid lines are arranged on the stepped surface of the roller body, so that the anti-skid lines on the surface of the roller body increase the contact with workpieces during work, thereby effectively ensuring the working quality of the roller. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the three-dimensional structure schematic diagram of the utility model.
[0019] Figure 2 is another view structure schematic diagram of the utility model Figure 1 .
[0020] Figure 3 is the side view of the utility model Figure 1 .
[0021] Figure 4 is the A-A sectional view of the utility model Figure 3 .
[0022] Figure 5 is the split schematic diagram of the utility model Figure 1 .
[0023] In the drawing: 1-roller body, 2-anti-skid lines, 3-matching head, 4-first connecting head, 5-concave ring, 6-second connecting head, 7-insertion block, 8-conical hole, 9-bearing, 10-heat dissipation hole, 11-groove, 12-internal thread, 13-protruding block, 14-external thread. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] Please refer to Figures 1-5 In the embodiments of the utility model, a strong alloy steel roller, comprising roller body 1, the roller body 1 is arranged in a stepped shape, recesses 11 are formed at both ends of the roller body 1, internal threads 12 are formed on the surface of the recesses 11, the roller body 1 is connected with the first connecting head 4 and the second connecting head 6 through the matching head 3 and the protruding block 13 at both ends, recess rings 5 and bearings 9 are arranged on the first connecting head 4 and the second connecting head 6,
[0026] The end of the first connecting head 4 away from the matching head 3 is provided with a conical hole 8, and the end of the second connecting head 6 away from the matching head 3 is integrally provided with an insertion block 7.
[0027] The end of the second connecting head 6 away from the matching head 3 is integrally provided with an insertion block 7.
[0028] By adopting the above technical scheme, when in use, the two ends of the roller body 1 are fixedly installed with the first connecting head 4 and the second connecting head 6 through the protruding block 13 and the matching head 3, and when installing, the external threads 14 on the surface of the protruding block 13 are matched with the internal threads 12 formed on the recesses 11, so that the stability between the roller body 1 and the first connecting head 4 and the second connecting head 6 is ensured.
[0029] In the embodiments, the surface of the protruding block 13 is provided with protruding external threads 14, and the external threads 14 are matched and connected with the internal threads 12.
[0030] A plurality of penetrating heat dissipation holes 10 are also formed on the roller body 1, and the center lines of the heat dissipation holes 10 are located at the diameters of the matching heads 3.
[0031] By adopting the above technical scheme, the conical hole 8 is formed at the end of the first connecting head 4 away from the roller body 1, and the insertion block 7 is arranged at the end of the second connecting head 6 away from the roller body 1, so that when installing, different devices can be fixed with the first connecting head 4 and the second connecting head 6, thereby meeting the needs of different structures.
[0032] In the embodiments, the surface of the roller body 1 is heat treated and then prepared with wear resistance.
[0033] The gap between the end of the convex block 13 and the inner wall of the groove 11 is filled with sound insulation cotton;
[0034] By adopting the above technical scheme, the anti-skid lines 2 are arranged on the stepped surface of the roller body 1, so that the contact with the workpiece is increased through the anti-skid lines 2 on the surface of the roller body 1 during work, thereby effectively ensuring the working quality of the roller.
[0035] The working principle of the utility model is: in use, the both ends of the roller body 1 are fixedly installed with the first connecting head 4 and the second connecting head 6 through the convex block 13 and the matching head 3, when installing, the outer thread 14 on the surface of the convex block 13 is matched with the inner thread 12 on the groove 11, the stability between the roller body 1 and the first connecting head 4 and the second connecting head 6 is ensured.
[0036] The conical hole 8 is arranged at the end of the first connecting head 4 away from the roller body 1, and the plug 7 is arranged at the end of the second connecting head 6 away from the roller body 1, so that different devices can be fixed with the first connecting head 4 and the second connecting head 6 during installation, thereby meeting the needs of different structures.
[0037] The anti-skid lines 2 are arranged on the stepped surface of the roller body 1, so that the contact with the workpiece is increased through the anti-skid lines 2 on the surface of the roller body 1 during work, thereby effectively ensuring the working quality of the roller.
[0038] It is apparent for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other concrete forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-restrictive in any aspect, and the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.
[0039] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.
Claims
1. A high-strength and tough alloy cast steel roll, characterized in that: The roll body (1) is stepped; both ends of the roll body (1) are provided with grooves (11); internal threads (12) are provided on the surface of the grooves (11); both ends of the roll body (1) are connected to the first connector (4) and the second connector (6) respectively through mating heads (3) and protrusions (13); the first connector (4) and the second connector (6) are provided with concave rings (5) and bearings (9) on the connection. Wherein; the first connector (4) has a conical hole (8) at the end away from the mating head (3); the second connector (6) has an insert block (7) integrally provided at the end away from the mating head (3).
2. The high-toughness alloy cast steel roll according to claim 1, characterized in that: The surface of the roll body (1) is provided with anti-slip texture (2), and the anti-slip texture (2) on the two surfaces is in opposite directions.
3. The high-toughness alloy cast steel roll according to claim 1, characterized in that: The surface of the protrusion (13) is provided with a protruding external thread (14); the external thread (14) is engaged with the internal thread (12).
4. A high-toughness alloy cast steel roll according to claim 3, characterized in that: The roll body (1) is also provided with a plurality of through heat dissipation holes (10); the center line of each heat dissipation hole (10) is located at the diameter of the mating head (3).
5. A high-toughness alloy cast steel roll according to claim 4, characterized in that: The surface of the roll body (1) is heat-treated and then made wear-resistant.
6. A high-toughness alloy cast steel roll according to claim 3, characterized in that: The gap between the end of the protrusion (13) and the inner wall of the groove (11) is filled with sound insulation cotton.